The 2WD Round Smart Robot Car Chassis is a versatile, circular robotic platform designed specifically for university mechatronics projects, line-following competitions, and maze-solving autonomous bots. Unlike rectangular chassis platforms that can catch their corners on walls or obstacles while turning, the symmetrical round shape allows the robot to rotate 360^\circwithin its own footprint. Constructed from durable, laser-cut acrylic plates with pre-drilled mounting slots, it easily integrates with Arduino, ESP32, Raspberry Pi, sensors, and motor drivers.
Zero-Radius Turning Circle: The circular profile prevents corner snagging during sharp pivots, making it ideal for micro-mouse mazes, sumo-bot arenas, and tight indoor environments.
Dual-Layer Modular Stacking: Comes with spacer standoffs to create a double-deck arrangement, allowing you to mount your battery pack on the lower deck and logic boards/drivers on the upper deck for clean wire organization.
Built-in Optical Speed Encoders: Includes slotted code wheels on the motor shafts so you can attach photo-interrupter sensors to measure RPM, calculate distance traveled, and implement closed-loop PID speed control.
| Feature | Specification |
| Frame Shape & Diameter | Circular / Round (sim 140mmto 150mmDiameter) |
| Material | Laser-Cut Clear/Black Acrylic Plate (with protective film) |
| Motor Type | Dual 3V6V DC Yellow TT Gear Motors (1:48 Gear Ratio) |
| Wheel Diameter | 65mm Rubber Tires with High-Grip Tread |
| Caster Wheel | 360^\circ Free-Swiveling Metallic Ball Caster |
| Speed Encoders | 2x Slotted Optical Encoder Code Wheels |
| Recommended Controller | Arduino Uno/Nano, ESP32, NodeMCU, or Raspberry Pi |
2x Circular Acrylic Chassis Plates
2x TT DC Gear Motors with Wires
2x 65mm Rubber Wheels
2x Speed Encoder Discs
1x Universal Metallic Caster Wheel
Complete Standoff, Nut, and Screw Mounting Hardware
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